MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to various domains, suggesting it functions as a link farm or redirection mechanism. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a tactic to distribute malicious content or phish for information. No scripts were extracted, but the overall structure and URL distribution point to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crysiq.ru/uplcv?utm_term=convert+ios+app+to+android PDF link annotation
- http://czytamzezrozumieniem.pl/userfiles/file/dirapugiji.pdfIn PDF document text
- http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/daxuru.pdfIn PDF document text
- http://jsqnchem.com/upload/files/toledipedewuvura.pdfIn PDF document text
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/mixanafolojapovilajize.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/63213468014.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/nusotaru.pdfIn PDF document text
- https://servicepapik.ro/files/xasavarejezakamidiz.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/tupuxitu.pdfIn PDF document text
- https://mimpishiodua.com/contents/files/mupuw.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613870a85dd1e---96242186891.pdfIn PDF document text
- https://angelsforwarriors.org/userfiles/files/79979837705.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/35153100880.pdfIn PDF document text
- https://swaarm.de/app/webroot/upload/files/77891839701.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f545ea7f84---razuguta.pdfIn PDF document text
- https://mollis.rs/files/xugetesonulozaruti.pdfIn PDF document text
- https://afritransport.com/app/webroot/files/file/10381226818.pdfIn PDF document text
- http://twilaw.com/files/files/sijodenuxebuwufuzopuf.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/xufobamujuxom.pdfIn PDF document text
- http://elliptical-trainers.ru/ckfinder/userfiles/files/74667452892.pdfIn PDF document text
- https://deycaterers.com/ckfinder/userfiles/files/23843085611.pdfIn PDF document text
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/puziwinumelidi.pdfIn PDF document text
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/48194932688.pdfIn PDF document text
- http://justsayhi365.com/uploads/file/21062103779.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e27c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8E | 18504 bytes |
SHA-256: 7828b939d3d953019327fdd8e1f2ea82a0399de46635ce67accb388910bec207 |
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font_02_sfnt_off00012a63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A63 | 10436 bytes |
SHA-256: f18da8a16daffa8810332ca5579aa4af0c05eedb4a011b0b2a13bd039d6a8bda |
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